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The Daily Insight

Propane tank heater attachment - How To Discuss

Author

John Parsons

Updated on May 19, 2026

Propane tank heater attachment

Can you ■■■■ up propane tank water heater? Open the valve on the propane tank, usually the knob on top of the tank, and the shut-off valve on the water heater to pressurize the line.

How do you disconnect a propane tank?

Separate the tank from the grid and place it vertically. Pour aside a gallon of hot tap water - the propane in the tank absorbs heat quickly, leaving the tank cold under the fuel and hot on top. Move your hand to the side of the tank where you poured the water and feel the temperature.

How safe are propane heaters?

The answer is the same as with any other heater, meaning a propane heater is completely safe as long as you take the proper precautions. It won't take much time or effort to take care of it. Therefore, gas heating remains a suitable option for a variety of domestic and commercial applications.

How much propane is left in the tank?

Weigh the gas tank by placing it on the scale. Propane tanks weigh 18 pounds empty and about 35 pounds full. So subtract 18 pounds from the total weight to find out how many pounds of propane are left in the tank. For example, if a cylinder weighs 25 pounds, it will have 7 pounds of gasoline left.

How to ■■■■ up a propane tank to a wall heater?

It is therefore important that you know how to connect a propane tank to a wall heater. To connect a propane tank to a wall-mounted heater, you will need to drill a hole in the exterior wall with a 2-inch drill bit. Then run a hose from the radiator to the propane tank.

Can you use a propane tank for a natural gas water heater?

Never use a propane tank to fill a natural gas water heater. This can cause a fire. Never install old ■■■■■■■■ on a new gas installation. Worn ■■■■■■■■ may have small holes through which gas can escape. When replacing the pressure regulator, also replace the flexible cable.

:diamond_shape_with_a_dot_inside: How to fix a leaking propane water heater?

Tighten by hand and tighten one more turn with an adjustable wrench. Open the valve on the propane tank, usually the knob on top of the tank, and the shut-off valve on the water heater to pressurize the line. Add 2 teaspoons of dish soap to a cup of water, mix gently and apply the solution to all connections to check for leaks.

Can you put a propane tank under an awning?

The propane tank should not be under a canopy or other cover that can trap gas that escapes from the propane tank. Dig a trench 12 inches deep between the water heater and the propane tank.

Can you ■■■■ up propane tank water heater vs tankless water heater

Space Saving - Propane water heaters can help you save valuable floor space while providing plenty of hot water. For example, a 50 gallon propane water heater can provide as much hot water as an 80 gallon electric tank. Tankless units are even more compact and save approximately 12 square meters of floor space.

Are tankless water heaters worth it?

Of course instant water heaters are worth it. They have higher initial costs but lower running costs and last twice as long as conventional water heaters. You'll find a full breakdown of calculated cost savings at the end of the article (we calculate them using best empirical estimates).

How does a tankless water heater work?

  • Open the hot water tap. The first step in using a flow heater is, of course, turning it on.
  • The water goes through the flow heater. Now that you have turned on the heating and the tap, what are you going to do?
  • Sensors determine the water flow.
  • The internal computer ignites the burner automatically.
  • Turn off the heating.

What is a demand water heater?

Demand boilers heat water on demand and are different from standard boilers. A tank water heater heats water to a set temperature, but when cold water enters the tank, the water temperature gradually drops and eventually you run out of hot water.

What is an electric water heater?

An electric water heater is a device that minimizes the cold of winter. Water enters the tank from the marked inlet side. Electrical resistance elements placed in the tank heat the water.

How much does a 500 gal propane tank cost?

The following are typical costs for purchasing propane tanks of various sizes: Land. 120 gallons $350 to $600. 250 gallons $450 to $1,000. 500 gallons $700 to $2500. 1000 gallons $1600 to $3200. In the basement. 500 liters $1500 to $300,000 gallons $2,000 to $3,500.

:eight_spoked_asterisk: How do you safely store a propane tank?

A propane tank should be stored outside, away from your home or garage. It should be stored upright, away from heat sources and in a dry place. Make sure it is in good condition before storing it. Propane tanks should never be stored in homes, attached garages, or basements under homes.

How big is a 500 gallon tank?

SIZE AND CAPACITY: This tank is approximately 3 inches tall and wide by 8 feet tall and can hold 400 gallons when 80% full. Notes: 500 gallon tanks are available above or below ground. This tank size is suitable for most homes from 2,500 to 4,500 square feet.

:diamond_shape_with_a_dot_inside: How large is a residential propane tank?

For residential propane services, propane tank sizes typically range from 120 gallons to 1,000 gallons. Some of the propane tank sizes between these smaller and larger propane tanks are 150 gallons, 250 gallons, 320 gallons, and 500 gallons.

Can you connect a propane tank to a hot water heater?

How to Connect a Low Pressure Propane Tank to a Water Heater.

Why do propane water heaters heat up so fast?

Propane boilers use gas as an energy source. These water heaters tend to heat up faster because propane is a compact and efficient power source.

Is there a tankless water heater that uses propane?

EZ 202 Propane (LPG) Water Heater The EZ Tankless Portable Water Heater weighs only 15 pounds and, unlike portable solar water heaters, is powered by a propane tank. Heats water quickly and easily for all outdoor activities such as camping and fishing.

:eight_spoked_asterisk: How many gallons does a 100 lb propane tank hold?

A 100-pound propane tank can hold 2,325 gallons of propane, and each gallon weighs up to 4 pounds. Filling a 23-gallon propane tank with propane can cost $40, $80, or more.

How do you attach a propane tank?

The following tips for hooking up this propane grill will likely work for most grills: You'll need to connect the tank to the grill first, then plug in the gas. Make sure the propane (gas) tank valve is closed by turning the knob clockwise. until it is impossible to turn All grill ■■■■■ must be in the off position .

What are the common sizes of propane tanks?

The most common sizes of residential propane tanks are 100-pound tanks, 100-gallon tanks, and 500-gallon tanks. But the size that best suits your home depends on the use.

How much does a propane tank cost to run a water heater?

The tank needs a water connection to your stove for it to work. A propane tank that can run a water heater costs an average of $300 to $1,000. In this case, the size largely depends on the size, type, efficiency and daily water consumption of the water heater.

:eight_spoked_asterisk: How much does Home Depot charge to install a water heater?

Home Depot offers traditional tank water heaters and modern tankless water heaters that run on both gas and electricity. Depending on your choice, the average cost to install a water heater ranges from $1,000 to $3,000.

:diamond_shape_with_a_dot_inside: How much does it cost to install an electric tankless water heater?

Installing an electric water heater costs an average of $600 to $2,500. Electrical systems do not require ventilation, are easier to repair and less expensive to install than gas appliances. However, they have higher annual operating expenses of $300 to $540 and are not eligible for federal tax credits.

:eight_spoked_asterisk: Is it worth hooking up a propane tank for a single appliance?

Connecting a 1-gallon propane tank to a single appliance isn't worth it for most people. The expense and hassle of supplying propane is pointless for a single appliance when electricity can be used. Most people use propane for heating, appliances, or multiple appliances at once. If you want, you can buy a tank for one device.

How much does it cost to install a propane tank?

The cost of installing underground propane tanks for earthworks. The dig will cost between $500 and $2,400. To dig. On average, a 100-foot trench costs about $800. Hire a plumber. installation location. Installation gas pipeline. Leave. Annual inspection of underground tanks. The cost of dismantling underground tanks.

:eight_spoked_asterisk: What size propane tank do I Need?

  • 56 gallons - for ovens, stoves and dryers (holds 48 gallons of propane)
  • 120 gallons - for water heaters, space heaters, and pool heaters (holds 100 gallons of propane)
  • 250 gallons - for generators, pool heaters and instrument panel (holds 200 gallons of propane)

:eight_spoked_asterisk: What is the standard size of a residential propane tank?

475/500 gallon propane tank. 475/500 gallon tanks are the standard size for residential heating. These tanks are usually used for home heating or those tanks that typically use 500-500 gallons of propane per heating season.

:eight_spoked_asterisk: How long should a propane line be for a water heater?

The screw guide is only a few feet long and the water heater is the only device that draws water from this tank. Is this a work plan? What controls and other devices should be installed between the tank and the heater?

What size propane feed do I need for my water heater?

The manual states that a 1/2 propane feed is acceptable as long as it is relatively short. Required gas supply pressure - in. I plan to put a dedicated 40 lb (10 gallon) propane tank next to the water heater. The screw guide is only a few feet long, and the water heater is the only device that draws water from this tank.

How much does a 20 lb propane tank cost?

A standard 20-pound tank costs about $35 and a larger 100-pound tank is about $150. These small cylindrical tanks are great for when you need to power something like an outdoor grill or backup generator. There are also special offers to buy an extra tank while trading.

:diamond_shape_with_a_dot_inside: How much BTU will a 20 lb propane tank hold?

How long will a 20lb propane tank last? about 1820 hours. Exactly how long does a 20lb propane tank last at 50,000 Btu? A pound (not a gallon) of propane has a total heat input of about 21,600 Btu. At altitude (21,600 x 20) = 432,000 Btu with a full tank. 432,000/50,000 = hours.

How much propane is in a 20lb. propane tank?

A full 9 kg (20 lb) propane tank contains gallons (liters) of propane. If your grill is rated at 32,000 BTUH, you'll get about 13.

:diamond_shape_with_a_dot_inside: How much does a 20 lb propane tank weigh?

Most 20lb tanks have an empty weight of +/- 17lbs when fully empty. This means that a full propane tank should weigh about 37 pounds. And how many pounds of propane is in a 20-pound tank? A 20-pound tank holds gallons of propane. A full 20lb tank should weigh 40lbs.

How to empty a propane tank?

  • Disconnect the propane tank from any hoses or ■■■■■■■■ and take it outside.
  • Wear a pair of leather gloves to protect your hands from propane gas.
  • Position the tank so that the valve faces to the side.
  • Open the cover until you can no longer turn the handle. Back up until you can no longer see or hear propane coming out of the tank.
  • Once all of the propane has been drained from the tank, close the valve.

How do I dispose of an old propane tank?

Refilling an empty propane tank is an easy way to reuse an old tank. Many places have propane gas stations, including AmeriGas and UHaul. Before attempting to dispose of your propane tank, consider reusing it by refilling it. Just take your empty tank to the propane station to fill it up.

:diamond_shape_with_a_dot_inside: How to turn on a propane tank?

  • Examine the valve on the propane tank. Find the words 'Open' and 'Close'. Each word is accompanied by an arrow indicating the direction of rotation of the knob.
  • Place a clean cloth over the valve.
  • Turn the valve in the direction of the open arrow.

:brown_circle: How do you ■■■■ up a propane tank?

Open the valve on the top of the propane tank by gently turning it clockwise. This will allow the propane to come out of the tank and flow through the pipe into the house.

:eight_spoked_asterisk: How do you disconnect a propane tank from a gas heater

Locate your propane tank, which is often located directly under the grill and may be behind the door. Locate the fuel valve and pressure regulator on the propane tank. Close the cylinder valve by turning it all the way to the right (clockwise) before disconnecting the pressure regulator.

:brown_circle: How do you change a propane cylinder on a gas cooker?

When you are ready to replace your propane tank, follow these steps for a safe process: Close the valve handwheel (turn clockwise) Close the gas valve installed on the unit. Use a wrench to remove the regulator. Replace the protective cap on the valve outlet.

:diamond_shape_with_a_dot_inside: How do I remove the regulator from my gas tank?

Use a wrench to remove the regulator. Remember this is a left hand thread so you need to turn it clockwise. For more information or if you have any questions, call London Gases during office hours and they will help you get back to you. They deliver to most London postcodes.

:brown_circle: How to purge a propane tank?

  • Connect your new, unused propane tank to your old (but full) tank using a line with a purge port and a regular line.
  • Move the valve to the PURGE mark and turn the valve on the new propane tank counterclockwise until it stops.
  • Open another propane tank in the same manner and move the valve on that line to the "LOAD" position.
  • Wait for the gas supply to stop, then turn the used tank's inline valve to the "PURGE" position.
  • Wait until you hear no more gas, then repeat the process four more times.

:diamond_shape_with_a_dot_inside: How do you Purge a new propane tank?

Open the valve on the new propane tank. Open the drain port. Opening the vent will allow excess air to escape from the new tank. Open the tap of the portable bottles. Turn the vent valve to charge. This will allow propane to get into the new propane tank. Wait for the propane flow to stop.

:brown_circle: How do I get rid of propane tanks?

Old propane tanks can be exchanged for new ones, deposited in a municipal landfill, or taken to a local hazardous waste disposal facility that permits it. Propane tanks should never be thrown in the trash.

:brown_circle: What are the dangers of heating with propane?

Like all fossil fuel heaters, propane heaters produce more than enough heat to start a fire, posing a risk to homeowners. While complete combustion of propane produces only carbon dioxide and water vapor, incomplete combustion can produce dangerous gases.

Are portable propane heaters safe to use indoors?

However, I should warn you that most portable propane heaters are not suitable for indoor garage use. Most of them are safe for outdoor use only. Those listed as safe for indoor use have very clear instructions on ventilation requirements.

How safe are propane heating systems?

  • Propane is less flammable than any other alternative fuel.
  • Leaks are easier to detect due to the characteristic odor of propane gas (smells like rotten eggs).
  • Propane tanks are made of carbon steel and are designed to be leak proof.
  • When exposed to air, propane evaporates and does not contaminate water or soil.

How safe is a propane heater for home

Short answer: Yes, it is safe to use a propane heater indoors, as long as you take precautions against fire and provide adequate ventilation, most propane heaters are perfectly safe to use indoors. What should I think about?

:eight_spoked_asterisk: What is the best propane heater?

One of the best propane water heaters is the Rheem RTG64XLP. As you will see below, this propane appliance is excellent in many ways. Let's take a closer look at its features and specifications before jumping to conclusions. Rheem RTG64XLP is a powerful unit.

:eight_spoked_asterisk: Is it safe to use a gas patio heater indoors?

Most patio heaters use gas for their own power, so being used indoors poses a serious safety risk. The gas contains highly toxic fumes and can cause various health complications such as headaches, confusion and difficulty breathing. Patio heaters should only be used outdoors to expel the gas.

:eight_spoked_asterisk: Can you use portable propane heater indoors?

No, it is recommended to use propane heaters indoors because it is dangerous, but yes, there are propane heaters (and conditions) that can be used safely indoors. Advantages of a propane gas heater include low cost, energy efficiency, low pollution and portability.

Are kerosene heaters safe in the House?

Many portable kerosene heaters have been used to provide the necessary heat during power outages and for the colder areas of the home and workplace. Gasoline heaters are clearly useful and are also safe for indoor use if kept in good condition and used with common sense.

How safe is a propane heater for winter

Propane heaters are by far the best option for cold weather camping. The only drawback is that propane stoves still give off small amounts of carbon monoxide. In most cases this is not a problem as the tents are not airtight, but it is worth mentioning.

Are modern propane heaters safe?

Modern propane heaters are very safe, but precautions must be taken when using them. Leaving the unit unattended indoors may cause a fire as the unit may fall or a flammable object may be placed near the heater.

:brown_circle: Are propane propane heaters safe for tents?

Propane heaters are safe to use in a tent if you follow all the instructions. You must ensure that it is on a flat, level surface to prevent it from falling over and that all combustible materials are at least 1 meter away. The biggest risk is actually carbon monoxide poisoning, so be wary.

Can indoor propane heaters be used indoors?

Home propane stoves are safe for indoor use and current models are designed to be very safe. They will turn off automatically if the Check Engine Light does not come on, eliminating the risk of a gas leak in your home.

:diamond_shape_with_a_dot_inside: Can you get carbon monoxide poisoning from a propane heater?

RVer was lucky enough to get out of this case unscathed, but accidents like this are not uncommon. When using a portable propane stove for winter heat, there are some simple precautions to take to avoid fire and carbon monoxide poisoning.

:eight_spoked_asterisk: How safe is a propane heater for rv

Catalytic propane heaters are very energy efficient and have no open flames, making them safe to use in homes or trailers. However, you should be careful when buying a catalytic converter specifically designed for use in motorhomes. Also, as with any heater, precautions should be taken to avoid fire.

:diamond_shape_with_a_dot_inside: Do RV’s use propane?

RVs have been using propane heat for almost as long as RVs. Most RVs are equipped with a fan heater, which is powered by electricity supplied to the fan and uses a propane burner as the heat source. These heaters provide a warm and comfortable environment for your motorhome, but will cut your budget significantly.

Can I use a tank top heater inside my RV?

Tank heaters are for outdoor use only. NEVER use this type of heater in your motorhome. Do not use a propane stove or gas burner to heat your RV.

Are electric or propane space heaters better for camping?

Electric heaters are a great way to save money while camping, with the electrical connection included in the price of camping. Meanwhile, propane heaters are better for slums and use less fuel than a large RV stove.

How safe is a propane heater for camping

Propane heaters are perfectly safe to use in tents, but if you're concerned about carbon monoxide, electric and battery heaters are great. As long as you check your propane heater regularly to make sure everything is working properly you should have no problems. Do electric heaters emit carbon monoxide?

What is a propane wall heater?

The most common type of propane wall heating is the ventilated version. While several designs are available for these systems, they are all similar in that they direct the exhaust from the heater to the outside.

:eight_spoked_asterisk: How safe is a propane heater for cars

Some portable propane heaters have been shown to be safe for indoor use, but for safety, it's best not to use them in the confined space of a car. Besides the fact that there is not enough space in the car to use them, there are also a lot of flammable items in the car.

:eight_spoked_asterisk: Can you use a propane heater in a car?

You can easily raise the temperature of your car. However, it is not recommended to use them in your car. Some portable propane heaters have been shown to be safe when used indoors, but for safety reasons it's best not to use them in the confined space of your car.

What is the best portable heater for a car?

What is the best portable car heater? There are 4 types of these heaters: high wattage propane heaters, ceramic truck heaters that connect directly to the battery, linear diesel heaters and windshield fans and defrosters that operate on a 12V cigarette lighter plug.0009,000 BTUs produced by Mr. heater .

:eight_spoked_asterisk: How to keep portable heater from overheating in car?

You can find them in the manual that comes with every heating device you buy. Install the heater according to this manual. They will tell you how to avoid overheating the product. Keep the heater as far away as possible from combustible materials in the car, such as paper.

How safe is a propane heater for the money

An important note just in case: The rapid change in gas pressure when heated to high temperatures can cause propane tanks to freeze. It's not because of the heat sinks, it's just physical and nothing dangerous. I'm just saying don't worry if you try yours. This only happens with 1lb tanks, not 20lb or larger tanks.

How many pounds of propane are in a tank?

A full standard size propane tank holds 20 pounds of propane. Place the tank on the scale to get the total weight, then subtract the "tare" weight to determine how many pounds of propane are left in your tank. Propane balance in pounds = .

How do I know how much propane I have left?

weigh. Most propane tanks weigh about 18 1/2 pounds when empty. Put your aquarium on a household scale and subtract 18 1/2 from this number. From there you can determine how much you have left. A medium grill (500 square feet) uses about 1 1/2 pounds of propane per hour on medium to high heat.

:eight_spoked_asterisk: How many gallons of propane does it take to run a grill?

A full 9 kg (20 lb) propane tank contains gallons (liters) of propane. If your grill is rated at 32,000 BTUH, you'll get about several hours of cooking time from a standard propane tank cooking at maximum temperature.

How do you know when you need a propane tank exchange?

When hot water heats the tank from the outside, the propane reacts and creates a cold spot in the level. This method won't give you an accurate reading, but it can give you an estimate of how close you are to replacing a tank.

:brown_circle: How much gas is left in my propane tank?

For example, if your 500 gallon tank reads 60%, that means you have 300 gallons of gas (500 x ) left in your tank. If you want to skip the math, here's a handy chart that shows how much gas is left in your propane tank based on your tank size and measurements: .

What is the maximum fill percentage for a propane tank?

The maximum filling percentage is always 80%. You can do some simple calculations to determine the amount of gas in your propane tank. Simply multiply the tank volume by the tank gauge value.

How do you calculate how much gas is left in tank?

Simply multiply the tank capacity by the tank gauge value. For example, if your 500 gallon tank reads 60%, that means you have 300 gallons of gas (500 x ) left in your tank.

:brown_circle: How to check the level of a propane tank?

How to check the gas level in a propane tank. 1 1. Method with warm water and cold hands. This is the quickest and easiest way to get an idea of ​​the propane level in your tank. Just pour in some warm water 2 2. Use a gauge. 3 3. For more precision, change the scaling method. 4 4. Mathematical method: How much time do you have left to cook?

:brown_circle: How many pounds of propane are left in a tank?

To measure the remaining propane in pounds, weigh the cylinder and subtract the tare weight. For example, if you weigh a tank and it has a total of 27 pounds (12 kg) and an empty weight of 17 pounds (8 kg), you will have 10 pounds (kilograms) of propane left, about half the size of the storage tank.

:brown_circle: What does the fuel gauge on a propane tank tell you?

One of the most important things to know about your propane tank is that the fuel gauge shows the fuel level as a percentage of your tank's capacity, not the total number of gallons in the tank. While not all propane tanks have the same gauges, their purpose remains the same: to show you how much propane is left in the tank.

How do I know how much gas is in my tank?

You can do some simple calculations to determine the amount of gas in your propane tank. Simply multiply the tank volume by the tank gauge value. For example, if your 500 gallon tank reads 60% full, that means you have 300 gallons of gasoline (500 x ) left in your tank.

:brown_circle: How do you calculate cooking time on a propane tank?

Finally, multiply the number of hours by the number of gallons in the tank. A full 9 kg (20 lb) propane tank contains gallons (liters) of propane. If your grill is rated at 32,000 BTUH, you'll get about several hours of cooking time from a standard propane tank cooking at maximum temperature.

Where can I buy a propane tank?

Blue Rhino can probably be found at Home Depot and AmeriGas can be found at Lowe's and Walmart, with both companies offering tanks for the same price. AmeriGas also owns most of the propane supply and their prices vary by account. Buy or rent a tank?

:brown_circle: How much does it cost to lease a propane tank?

Large Propane Tank Rental Companies - Some propane rental companies have a minimum order of 100 gallons. If you only need to use a few units, installing a 250 gallon propane tank will cost you $1,200. To power all the systems in your home, installing a 500 gallon tank will cost between $1,500 and $2,000.

How do you check the remaining gas in a propane tank?

Insert ■■■■ into cylinder handle, lift and read residual gas level. Digital propane tank scales work by constantly weighing the tank and providing a digital readout of the remaining cooking time and percentage of gas.

:diamond_shape_with_a_dot_inside: How long does a propane tank last on a patio heater?

Standard weight 20 pounds. A tank of propane lasts 10 hours on an outdoor gas heater. Natural gas patio heaters are less expensive than propane patio heaters because there are no upfront fuel costs.

How much propane does a propane heater use?

Typical usage for homes with a propane water heater is 300 to 400 gallons per year. Cooking with propane consumes about 50 liters per year, while cooking and using a propane dryer costs 100 to 150 liters per year.

:diamond_shape_with_a_dot_inside: How do you clean a propane tank?

The simplest and easiest way to clean a propane tank is to use a garden hose and brush. This method removes light dirt and grime, but tree sap and mold require more force.

:brown_circle: How do I fill propane tanks?

with hot water One of the quickest ways to gauge how full your propane tank is is on the Fix It Home Improvement YouTube channel. All you need is some hot water. Fill a cup or small bucket with hot tap water. Pour water over the edge of the tank.

Do propane hot water tanks have to be vented?

All natural gas or liquefied propane (LPG) water heaters require a venting system. The gas combustion process is called combustion and involves the release of heat, exhaust gases (including highly toxic carbon monoxide) and moisture.

:brown_circle: How does propane tankless water heaters work?

  • When the tap is opened, the stove starts working.
  • The drift sensor detects cold water entering the unit.
  • For propane units, the control panel includes a fan to draw in outside air.
  • The heat exchanger then absorbs the heat from the flame and carries it through the piping system.

How much propane can a 20 lb cylinder hold?

Technically, the tank will not be filled to its maximum capacity. But for safety reasons, a 20-pound propane tank should only be filled to 80% of its maximum capacity. If I could fill the tank completely (dangerous) I would have 5 gallons of propane. Most will hold a 20-pound propane tank filled to 4 gallons of propane.

How many Btus are in a 20 pound propane tank?

A 20-pound propane tank contains approximately 430,000 BTUs. To determine how long a tank will last in your fireplace, divide 430,000 by the BTUs in your fireplace. They have a chart below to help you determine how long your gas fireplace will last with a 20-pound propane tank.

:eight_spoked_asterisk: How long will a 20 pound propane tank last?

How long will a 20lb propane tank last? A standard 20-pound propane tank will last about 1,820 hours on most barbecues. They always recommend having an extra tank on hand because you don't want to run out of water in the middle of a barbecue.

:diamond_shape_with_a_dot_inside: Is it safe to use a propane heater in a garage?

Yes, you can use a propane heater in your garage. There are only two basic requirements: it must have enough air to burn and it must be kept away from combustible materials. The source tank does not have to be outside.

propane tank heater attachment